Sentinel Knee Guard. Co-molded ABS/TPU chassis delivers comfort and durability. Anatomical flush mounted hinge design allows natural knee movement. Low-profile design minimizes weight and optimizes fit. Lightweight molded EVA foam interior liner for premium comfort. Strategic ventilation provides maximum cooling. Post-latching top closure with adjustable hook-and-loop strap. Stretch mesh calf-sleeve for cooling and comfort. Top closure and calf sleeve feature silicone print to ensure secure placement. Sold as a pair. Tested and Certified according to European Standard EN 1621-1:2012 Level 2.